Athabasca Glacier–in retreat, CanadaApril 30, 2017/in Glaciation/by Marli Miller melting ice, moraine, till, climate change, global warming, https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png Marli Miller2017-04-30 19:41:342017-09-25 20:12:57Athabasca Glacier–in retreat, Canada